8961520090 Toyota SENSOR, KNOCK CONTROL, Price: 71.35$, Weight: 0.045kg
| Make | Number | Name | Availability | Weight, kg | Ship in, Days | Price |
|---|---|---|---|---|---|---|
Toyota |
8961520090 |
SENSOR, KNOCK CONTROL |
0 |
0.045 |
7-10 |
71.35$ |
| Not Available | ||||||
Originals
Engine Knock Sensor (Detonation) — OE ref 89615-20090 🔧
Why you need it
This sensor protects your engine from pinging/knock by letting the ECU fine‑tune ignition timing. It keeps power smooth, fuel economy healthy, and emissions low. Without it, the engine can detonate under load, risking piston, bearing, and catalyst damage. 🛡️
How it works
A piezo element bolted to the block listens for knock frequencies and generates a voltage signal. The ECU reads that signal and instantly retards timing for the affected cylinders, then advances again when knock stops. Result: safe combustion, steady acceleration, and long engine life. 🧠⚙️
If it’s failing or broken
Expect rattling under acceleration, reduced power, poor MPG, and a check engine light (commonly P0325/P0330). The ECU may run a conservative map (limp mode), raising temps and stressing the catalyst. Prolonged driving can scar pistons and crack ring lands. ⚠️⛽
Tech tips
Install on a clean, flat boss; torque precisely; no sealant on the mating face. Keep the harness away from ignition leads and high-voltage noise. 🚗
Compatibility
- Auris
- Auris/Corolla
- Auris/Hybrid
- Avensis
- C-Hr
- Corolla
- Corolla (S.africa)
- Corolla Axio/Fielder
- Corolla Cross
- Corolla Hb
- Corolla Sed
- Corolla Sed/Wg
- Corolla Verso
- Corolla/Auris
- E'z
- Prius
- Prius +/V/A(Alpha)
- Prius V
- Verso
- Vitz Grmn
- Yaris
- Yaris Cross/Hybrid
- Yaris Grmn